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19052472 = 233793853
BaseRepresentation
bin100100010101…
…1011110111000
31022211222002010
41020223132320
514334134342
61520205520
7320641365
oct110533670
938758063
1019052472
11a83344a
1264698a0
133c4106a
14275d46c
151a1529c
hex122b7b8

19052472 has 16 divisors (see below), whose sum is σ = 47631240. Its totient is φ = 6350816.

The previous prime is 19052471. The next prime is 19052513. The reversal of 19052472 is 27425091.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19052471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 396903 + ... + 396950.

Almost surely, 219052472 is an apocalyptic number.

19052472 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

19052472 is an abundant number, since it is smaller than the sum of its proper divisors (28578768).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19052472 is a wasteful number, since it uses less digits than its factorization.

19052472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 793862 (or 793858 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 30.

The square root of 19052472 is about 4364.9137448522. The cubic root of 19052472 is about 267.0855818459.

The spelling of 19052472 in words is "nineteen million, fifty-two thousand, four hundred seventy-two".

Divisors: 1 2 3 4 6 8 12 24 793853 1587706 2381559 3175412 4763118 6350824 9526236 19052472